Clinical characteristics of children with suspected hypersensitivity reactions to beta-lactam antibiotics
| Number of reactions N=232 | |
| Age at reaction | |
| Mean±SD (years) | 6.66±3.06 |
| Median (range) | 3 (1–14) |
| Type of reaction | |
| Delayed | 154 (67.2%) |
| Not determined | 51 (22%) |
| Immediate | 24 (10.5%) |
| Symptoms | |
| Exanthema | 121 (52.2%) |
| Urticaria | 78 (33.6%) |
| Angioedema | 31 (13.4%) |
| Serum sickness like | 15 (6.5%) |
| Antibiotics | |
| Amoxicillin/clavulanate | 147 (63.4%) |
| Amoxicillin | 45 (19.4%) |
| Cefuroxime | 16 (6.9%) |
| Cefaclor | 11 (4.7%) |
| Cefixime | 6 (2.6%) |
| Penicilin V | 3 (1.3%) |
| Cefotaxime | 1 (0.4%) |